| Xenon ✕ | |
|---|---|
| Symbol | Xe |
| Atomic number | 54 |
| Chemical property | Noble gas |
| Origin o the name | the Greek xenos, 'strange' |
| Group | 18 |
| Period | 5 |
| Atomic weight (u) | 131.293 |
| Atomic weight uncertainty (u) | 0.006 |
| Density (g/cm³) | 0.005887 |
| Melting point (K) | 161.4 |
| Boiling point (K) | 165.03 |
| Heat capacity (J/(g·K)) | 0.158 |
| Electro-negativity | 2.6 |
| Abundance in earth's crust (mg/kg) | 0.00003 |